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Submission #290412

# Submission time Handle Problem Language Result Execution time Memory
290412 2020-09-03T18:24:54 Z A02 Ancient Books (IOI17_books) C++14
0 / 100
 1 ms 256 KB 
#include <bits/stdc++.h>
#include "books.h"

using namespace std;

long long minimum_walk(vector<int> p, int s) {

	long long book_total = 0;

	int n = p.size();

	for (int i = 0; i < n; i++){
        book_total += max(p[i] - i, i - p[i]);
	}

	if (s == 0){
        int current_region_max = 0;
        for (int i = 0; i < n; i++){
            if (current_region_max < i){
                book_total += 2;
            }
            current_region_max = max(current_region_max, i);
            current_region_max = max(current_region_max, p[i]);
        }
	}

	return book_total;

}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Incorrect 0 ms 256 KB 3rd lines differ - on the 1st token, expected: '4', found: '6'
6 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Incorrect 0 ms 256 KB 3rd lines differ - on the 1st token, expected: '4', found: '6'
6 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Incorrect 0 ms 256 KB 3rd lines differ - on the 1st token, expected: '4', found: '6'
6 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 256 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Incorrect 0 ms 256 KB 3rd lines differ - on the 1st token, expected: '4', found: '6'
6 Halted 0 ms 0 KB -